| Responders | Non-responders | P value |
---|---|---|---|
n | 10 | 9 | Â |
Age (years) | 57 ± 11 | 60 ± 6 | 0.496 |
Female Gender, n (%) | 5 (50Â %) | 4 (44Â %) | 0.809 |
Weight (kg) | 87 ± 18 | 91 ± 19 | 0.669 |
BSA (m2) | 2.0 ± 0.3 | 2.1 ± 0.3 | 0.632 |
LBBB, n (%) | 10 (100Â %) | 9 (100Â %) | NA |
Non-ischemic etiology, n (%) | 10 (100Â %) | 9 (100Â %) | NA |
Sinus rhythm, n (%) | 10 (100Â %) | 9 (100Â %) | NA |
CRT-D, n (%) | 10 (100Â %) | 9 (100Â %) | NA |
Follow up from implant (months) | 8.5 ± 4.8 | 9.0 ± 5.2 | 0.832 |
NYHA III/IV – pre, n (%) | 8 (80 %) | 9 (100 %) | 0.776 |
NYHA III/IV – post, n (%) | 2 (20 %) | 5 (55 %) | 0.109 |
QRS width (ms) – pre | 167 ± 18 | 169 ± 22 | 0.789 |
QRS width (ms) – post | 153 ± 18 | 157 ± 26 | 0.771 |